23. Human locomotion is made possible by the A) involuntary contraction of tendons
B) involuntary contraction of ligaments
C) voluntary contraction of smooth muscles
D) voluntary contraction of skeletal muscles

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Give examples of selective advantage of organism’s body part/organ